STSS-ATRR 2nd stage elements from probable observation

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Fri May 08 2009 - 23:17:37 UTC

  • Next message: Brad Young: "BY PPAS May 8"

    Marco Langbroek sought my advice off-list on a possible observation of the 2nd
    stage that he made:
    
    71951 09 023B   4353 G 20090508210427640 17 75 1449005+716200 56 S+060 10
    
    It seems probable that he observed the 2nd stage; I get a reasonable fit by
    starting with the high drag elset I posted today:
    
    1 71951U          09125.95957158  .02472750  00000-0  30000-2 0    04
    2 71951 112.7800 216.3633 0519924 282.5289  71.8193 15.08518086    05
    
    and making a moderate reduction in rate of decay, and smaller changes in RAAN
    and argument of perigee:
    
    1 71951U          09125.95957159  .01895775  00000-0  23000-2 0    02
    2 71951 112.7800 217.0376 0519924 282.5074  71.2250 15.08518086    07
    
    This is still rather rough, but perhaps sufficient to make confirming
    observations.
    
    Ted Molczan
    
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